Subtract the polynomials.(8x8 + 4x7 - 9x6 - 5) - (5x8 - 6x6 - 8)
A. 3x8 + 4x7 - 3x6 + 3
B. 13x8 + 4x7 - 15x6 - 13
C. 13x8 + 4x7 - 15x6 + 3
D. 3x8 + 4x7 - 15x6 - 13
Answer: A
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Use the maximum/minimum finder on a graphing calculator to determine the approximate location of all local extrema.f(x) = x4 - 3x3- 21x2 + 74x - 97
A. Approximate local maximum at 1.513; approximate local minima at -3.023 and 3.71 B. Approximate local maximum at 1.584; approximate local minima at -3.021 and 3.786 C. Approximate local maximum at 1.604; approximate local minima at -3.089 and 3.735 D. Approximate local maximum at 1.549; approximate local minima at -3.181 and 3.689
Find the derivative of the function.y = 
(7x + 7)3 + 
-1
A. 
(7x + 7)2 + 
-2
B. 
(7x + 7)2 - 
-2
C. 
(7x + 7)2 - 
-2
D. 
(7x)2 - 
-2
Use the rules for exponents to rewrite the expression and then evaluate the new expression. (-2)2(-2)3
A. -64
B. -32
C. 
D. 
Decide whether the expression is or is not an identity.sin (A + 2?) = sin A
A. Identity B. Not an identity